12912405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 22740480

約数和(自身を除く): 9828075

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 563, 695, 1529, 1689, 2085, 2815, 4587, 6193, 7645, 8445, 18579, 22935, 30965, 78257, 92895, 234771, 391285, 860827, 1173855, 2582481, 4304135, 12912405]

約数ペア:

[(1, 12912405), (3, 4304135), (5, 2582481), (11, 1173855), (15, 860827), (33, 391285), (55, 234771), (139, 92895), (165, 78257), (417, 30965), (563, 22935), (695, 18579), (1529, 8445), (1689, 7645), (2085, 6193), (2815, 4587)]